Unicharm Corporation

Takaya Arayama

Hirotomo Mukai

Kenji Takeuchi

Hidefumi Gouda

An absorbent article that has an exterior body. In the exterior body is an edge part which is forming a part of the leg opening unit. A rear end of the absorber is positioned in the crotch region so as not to overlap with a waistline elastic member. In an absorber disposition region in which the absorber is disposed, an end in a widthwise direction of the exterior body is positioned inside in the widthwise direction more significantly than an end in the widthwise direction of the absorber, and a part of a leg-holes elastic member is disposed.

Absorbent article

An absorbent article is provided with a central elastic material for positioning in a state in which it is extended in the front/rear direction in the outer direction in relation to an absorbent body, and an elastic material cover sheet which abuts the outer direction side surface of the central elastic material. The elastic material cover sheet covers an extension region where the central elastic material is positioned in an extended state, and a non-extension region where the central elastic material is positioned in a non-extended state. An adhesive agent for fixing in the extended state is coated onto the central elastic material of the extension region. An adhesive agent is coated onto at least the non-extension region of the outer direction side surface of the elastic material cover sheet, and the adhesive agent coated onto the outer direction side surface penetrates to the inner direction side surface of the elastic material cover sheet.

Absorbent article and method of manufacturing absorbent article

An absorbent article that has an absorber which is disposed in the crotch region and an absorber backsheet which is positioned at the outer direction side of the absorber. At least either one of a front end of the absorber and a rear end of the absorber is disposed in the crotch region. In the front end of the absorber backsheet and the rear end of the absorber backsheet, an end at a side at which the absorber is positioned in the crotch region is disposed outboard of the crotch region in the longitudinal direction.

A disposable wearing article includes a urination region to be in contact with a urination unit of the wearer, a buttocks region to be in contact with buttocks of the wearer, and an absorbent sheet which includes an absorbent polymer sandwiched between liquid-impermeable layers. The absorbent sheet is disposed in the buttocks region but not in the urination region.

Disposable wearing article with curving unit

A disposable wearing article includes an absorber having a crotch region. The central curving unit that allows the absorber to be convex in the inner direction is formed at a center in the widthwise direction of the crotch region. The first curving unit that allows the absorber to be convex in the outer direction is formed in the crotch region and outboard of the central curving unit. The second curving unit that allows the absorber to be convex in the inner direction is formed in the crotch region and outboard of the first curving unit. The concave unit is formed in the absorber to be concaved inwardly in the widthwise direction at the outside in the longitudinal direction relative to the first curving unit. The second curving unit is arranged outboard of an inside edge in the widthwise direction of the concave unit in the widthwise direction.

Disposable wearing article

A disposable wearing article includes a central curving unit that allows the absorber to curve in the inner direction in a convex shape is formed in the center of the absorber, a pair of first curving units along the front-back direction that allow the absorber to curve in the outer direction in a convex shape is formed outboard of the central curving unit of the absorber, a pair of second curving units along the front-back direction that allow the absorber to curve in the inner direction in a convex shape is formed outboard of the first curving unit of the absorber, and a front end of the central curving unit is positioned posteriorly of a front end of a second curving unit.

A disposable wearing article includes an absorber having a crotch region that is in contact with a crotch portion of the wearer, and a back region arranged posterior to the crotch region and in contact with the hip portion of the wearer, and in the crotch region, a pair of curving means are provided along the crosswise direction so as to enable the absorber to curve in a convex shape in an inner direction, and outside the widthwise direction of the curving means, a pair of lifting units are provided along the crosswise direction so as to enable the absorber to be lifted up in an inner direction in the back region, and the back ends of the curving means are positioned anterior to the back ends of the lifting units.

Disposable diaper

An absorbent layer has a front section lying on the side of a front waist region, a rear section lying on the side of a rear waist region and an intermediate section lying between the front and rear sections. The absorbent layer is formed in the intermediate section with a central depression extending in a longitudinal direction Y and a high density zones having density higher than those of the front and rear sections are formed on both sides of the central depression.

Absorbent layer for disposable wearing article and method for making the same

A disposable diaper has a central slit formed along the lengthwise direction L so that the absorber can be curved to be convex in the inward direction, and a pair of side slits formed along the lengthwise direction L so that the absorber can be curved to be convex in the outward direction. An average total weight of a water absorbent polymer at the central portion CT and the side edge portion S, Sis smaller than an average total weight of the water absorbent polymer at the middle portion M, M.

Disposable wearing article with central and side curving portions

A disposable diaper has a central elastic member formed along the lengthwise direction L so that the absorber can be curved to be convex in the inward direction, and a pair of side slits formed along the lengthwise direction L so that the absorber can be curved to be convex in the outward direction. A thickness of the absorber at the central portion and at the side edge portions are smaller than a thickness of the absorber at the middle portions.

Provided are a bodily fluid absorbent article improved to absorb bodily fluids quickly and a method for making a core for the bodily fluid absorbent article. A bodily fluid absorbent core for a bodily fluid absorbent article is formed with one or more elongated depressions. The coreincludes one or more surface layers and one or more inner sections lying inside the one or more surface layers. The one or more surface layers are formed primarily of liquid-absorbent fibers and the one or more inner sections are formed of the liquid-absorbent fibers and superabsorbent polymer particles.

Bodily fluid absorbent article including bodily fluid absorbent core and method for making the core

A disposable worn article diaper includes: a central slit formed in an absorber such that the absorber is curved to be convex toward an inward direction toward a wearer in a crotch region; side curved portions formed in the absorber along the lengthwise direction such that the absorber is curved to be convex toward the outward direction. The disposable worn article diaper includes a crossing elastic member crossing the absorber in middle crotch regions and fixed to the absorber. The absorber is contracted by the crossing elastic member toward a center of the absorber in the widthwise direction.

Disposable worn article

A wearing article includes a chassis and an absorber main body. The wearing article has a central elastic member overlapping a non-skin surface of an absorber in the crotch region and extending along a longitudinal direction at an approximately center of a widthwise direction of the wearing article, and a back leg elastic member that curves within the crotch region from the end of a back waistline region in the widthwise direction and configures at least a part of an elastic stress line that crosses the absorber along the widthwise direction. In the elastic stress line, the elastic stress of the portion crossing the absorber is smaller than the elastic stress of the central elastic member.

Wearing article

An underpants-type absorbent article having an outer body provided with a mutually separate front piece, back piece and connecting sheet, and wherein the front piece and the back piece are mutually joined at side areas and are mutually connected by the connecting sheet extending in an front-to-rear direction at the crotch area, and an inner body containing an absorptive body and which is overlapped and anchored to the connecting sheet on the inside of the outer body. At least a portion of both edges in the transverse direction of the connecting sheet are positioned farther to the inside in the transverse direction than both edges in the transverse direction of the inner body in a spacing area between the front piece and the back piece.

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Kagawa, Japan

Takaya Arayama